.Lesson 1 4- Tenses, Conditional sentences I. Vo … + O or S + WILL + Vo -> IF YOU + DON’T Vo … , S + WILL + Vo 1. Do your exercises or you will fail the exam. If you don’t do your exercises , you will fail the exam Unless you do your exercises , you will fail the exam 2. Save some money or you won’t able to buy the house. If you don’t Save some money, you won’t able to buy the house 3. Behave yourself or your parents will be very unhappy. Unless you behave yourself, your parents will be very unhappy 4. Do it carefully or you’ll feel sorry afterwards. If you don’t do it carefully, you’ll feel sorry afterwards 5. Ask him first or he won’t offer to help. If you don’t Ask him first or he won’t offer to help 6. Be calm or you’ll make a wrong decision. Unless you are calm, you’ll make a wrong decision 7. Be careful or you’ll cut yourself with that knife. If 8, Study hard or you won’t pass the exam.=> If…………………………………………………… 9, Don’t be impatient or you will make mistakes.=> If………………………………………… 10, Leave me alone or I’ll call the police.=>……………………………… ……………………………… 11, Don’t tell lies to your boss or you’ll be fired at once.=> If……………………………………… 12, Tell me the whole truth or I won’t help you 13, Keep silent or you’ll wake the baby up. →If ……………………………………………..…..……… 14, Stop talking or you won’t understand the lesson.→ If …………………………………….....….……. 15, Study hard or you won’t pass the exam.=> If…………………………………………… 16, Don’t be impatient or you will make mistakes.=> If………………………………………… 17, Leave me alone or I’ll call the police. => If………………………………………………… =>Unless…………………………………………………………………………………… 18. . Work harder or you will lose your job.→……………………………………………………… 2. Pay attention to the teacher or you won’t understand the lessons. →………………………………………………………………………………………… 3. Go to bed early or you can’t get up early the next morning ->……………………………………………….